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Rhododendrons are wonderful shrubs that can grow to the size of a tree. However, brown buds on the rhododendron indicate pests.
Brown buds on the rhododendron
If rhododendrons are in the right place (partial shade is ideal, loose soil, always with special fertilizer) and are free of vermin, then this will be great garden plants. But it happens again and again that the buds of the rhododendron turn brown and are littered with spores. If this is the case, then the rhododendron cicada is probably to blame.
Cicadas carry in a mushroom
The larvae of the rhododendron cicadas are placed on the undersides of the leaves and suck there, which usually does not affect the plant very much. The cicadas themselves are more dangerous, as they lay a mushroom in the egg-laying area that affects the young buds. These are then brown and covered with black spores.
Combat rhododendron cicada
Brown buds covered with black spores must be broken out as soon as possible. In addition, you can only master the rhododendron cicada or the larvae if you control the leaves with pest-free. Caution: Dispose of the broken buds in the household waste and not in the compost, otherwise the spores will spread further.